For example, the vast majority of people with memory loss do not have problems with a loss of self-identify (meaning that they know exactly who they are). In addition, sudden head trauma (such as that which may occur in a car accident) may cause some confusion or disorientation, but it rarely leads to amnesia.
Stroma is the thick fluid within the chloroplast. I think you mean 'Stroma'. Stroma can refer to two things in Biology. Stroma is the fluid inside chloroplasts, the site of photosynthesis in all plant cells. It is also, however, the framework (like a skeleton) inside any biological tissue, cell or organ.
A chromosome (from ancient Greek: ÏÏÏÎ¼ÏÏÏÎ¼Î±, chromosoma, chroma means color, soma means body) is a DNA molecule (wrapped around Histone Protein in Eukaryotes) with part or all of the genetic material of an organism. Chromosomes are normally visible under a light microscope only when the cell is undergoing the metaphase of cell division.